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Thermostat Change

This is a discussion on Thermostat Change within the External Engine forums, part of the LSx Technical Help Section category; What kind of gains will I see from Changing out my factory T-stat to a 160 f. T-stat? Is it ...

  1. #1
    Junior Member tznutts's Avatar
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    Midnight Blue
    1999 Trans Am M6

    Thermostat Change

    What kind of gains will I see from Changing out my factory T-stat to a 160 f. T-stat? Is it worth the $50.00?

    Thanks!

    Stock 1999 TA LS1

  2. #2
    Life in the Fast lane sunsetorangess's Avatar
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    Met. Sunset Orange
    01 SS

    None what so ever... Worthless unless you change the fans to come on with the new stat..
    J
    2001 SS, Its not the car its the Driver that matters....

  3. #3
    Member Siciliano15's Avatar
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    Black
    1998 Trans Am WS-6

    u will have less chance of detonation and may pick up a couple hp on the highway. when ur in motion anything over 30mph your engine will be constantly running at around 170-175 which is perfect for these cars. its only when you are idling that the temps will return to normal because u need to get your electric fans reprogrammed to come on sooner but this can be done at any time. just change the thermostat and then do the fans at any point in the future.

  4. #4
    Junior Member tznutts's Avatar
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    Midnight Blue
    1999 Trans Am M6

    How do I re-program the fans?

  5. #5
    Smiles for 9.5 Years cammed goat's Avatar
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    Phantom Black Metallic
    2004 GTO M6

    A handheld tuner or a performance shop with the tuning software can do it. PM our resident tuner, Frost. He can help.

  6. #6
    Just me Y2KPewterSS's Avatar
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    Pewter metallic
    2000 Camaro SS

    Quote Originally Posted by tznutts View Post
    How do I re-program the fans?
    This is one of the few good things a handheld is good for, but I will still just have a tuner do it for you.

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